books.google.co.uk - Do real stem cells and stem cell lineages exist in lower organisms? Can stem cells from one organism parasitize the soma and/or the germ line of conspecifics? Can differentiated cells in marine organisms be re-programmed to regenerate tissues, organs and appendages through novel de-differentiation, transdifferentiation,...http://books.google.co.uk/books/about/Stem_Cells_in_Marine_Organisms.html?id=-eP2p0VF6VcC&utm_source=gb-gplus-shareStem Cells in Marine Organisms